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Comfort Zone Heating & Air ConditioningHVAC contractor in Boulder, CO

Comfort Zone Heating & Air Conditioning is an HVAC contractor at 2833 28th St, Boulder, CO 80301, ranked #14 of 549 HVAC contractors in Boulder and rated 4.8 from 64 Google reviews. Open 24 hours a day, 7 days a week.

Boulder, COUpdated 0 paid placements in any rankingHow we rank

Call (720) 790-4505Website ↗

Key facts

Key facts about Comfort Zone Heating & Air Conditioning
Address2833 28th St, Boulder, CO 80301Get directions
Phone(720) 790-4505
Websitecomfortzoneheatingairconditioning.com
HoursOpen 24 hours, 7 days a week
Google rating4.8 from 64 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Boulder and 11 towns within 25 miles: Gunbarrel, Superior, Louisville, Lafayette, Erie, Broomfield, Longmont, Shaw Heights, Northglenn, Westminster and Frederick.

Based in Boulder, COView on map

Opening hours

Opening hours for Comfort Zone Heating & Air Conditioning
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Comfort Zone Heating & Air Conditioning compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Comfort Zone Heating & Air Conditioning (this business)—604.8 (64)—YesYes
Plumbline Services#12614.9 (1,917)—YesYes18.7 mi
King Family Plumbing & HVAC#13614.8 (72)—YesYes2.1 mi
Fusion Heating & Air Conditioning#15604.8 (65)—YesYes0.8 mi

See all 549 ranked HVAC contractors in Boulder

Reviews

ContractorsRanked reviews

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Google

4.8from 64 Google reviews

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Questions about Comfort Zone Heating & Air Conditioning

How is Comfort Zone Heating & Air Conditioning ranked in Boulder?

Comfort Zone Heating & Air Conditioning is ranked #14 of 549 HVAC contractors in Boulder by CR Score, with 60 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Comfort Zone Heating & Air Conditioning’s hours?

Comfort Zone Heating & Air Conditioning is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Comfort Zone Heating & Air Conditioning serve?

Serves Boulder and 11 towns within 25 miles: Gunbarrel, Superior, Louisville, Lafayette, Erie, Broomfield, Longmont, Shaw Heights, Northglenn, Westminster and Frederick. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Comfort Zone Heating & Air Conditioning?

Comfort Zone Heating & Air Conditioning has a rating of 4.8 from 64 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Comfort Zone Heating & Air Conditioning?

Call Comfort Zone Heating & Air Conditioning on (720) 790-4505. The business is at 2833 28th St, Boulder, CO 80301. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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